It sounds like you are constantly looking ahead to what is next instead of enjoying what is right in front of you. S & O is one of the best boss fights in the game and you should be enjoying the challenge of the fight. Think up strategy on how to beat them and learn from your failures so you are elated when you do finally beat them. If you keep thinking of the game as a chore until you get everything you need for some build you looked up on the internet, you may miss the fun that's hitting you right in your face.
I don't enjoy invasions. So that leaves these bosses, which are trouble-some. I enjoy magic, which got nerfed hard, so that leaves... melee. Which is what this build is for. So that leaves... annoyance?
Of course, you're talking to someone that beat Demon's Souls with Poison Cloud and Soul Arrow with HP regen and MP regen rings equipped and a Cresent Falchion+5 along with like starting-to-mid-range armor for NG, NG+, NG++. So...